Product Description
DIAMOND EYE K5371S is a 5.0" T409 stainless steel DPF-back exhaust system with a passenger-side single exit for the 2008–2010 Ford F-250/F-350 6.4L Power Stroke. It’s engineered with mandrel-bent tubing for smoother outflow, reduced restriction, and a deeper, more authoritative tone—while retaining the factory DPF for emissions compliance.
FAQ: WILL THIS FIT MY TRUCK?
Yes—this kit is designed for 2008–2010 Ford F-250/F-350 6.4L Power Stroke, all cab and bed configurations. It installs after the factory DPF using the supplied clamps and hangers for a bolt-on fit.
FAQ: IS IT EMISSIONS LEGAL?
When installed as a DPF-back system (factory emissions equipment retained), the kit is CARB exempt under EO D-778. Always verify local regulations.
FAQ: DOES IT INCLUDE A MUFFLER OR TIP?
This configuration is typically supplied without a muffler for maximum flow and includes a vented stainless tip. Hardware and clamps are included for a straightforward install.
Fitment Details
- Vehicle: 2008–2010 Ford F-250/F-350 Super Duty
- Engine: 6.4L Power Stroke Diesel
- Configuration: DPF-back, 5" single exit (passenger side)
- Compatibility: Fits all cab/bed lengths; bolts to the outlet behind the OEM DPF
Cross Reference Items
- K5371A — Aluminized-steel version, same fitment
- 165102 — 4" T409 stainless downpipe used in this application
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K5371S |
| System Type | DPF-back, single exit (passenger side) |
| Tubing Diameter | 5.0" |
| Material | T409 stainless steel |
| Includes Muffler | No |
| Tip | Vented stainless tip |
| Emissions | CARB EO D-778 (DPF retained) |
| UPC | 841963121698 |
| GTIN | 0841963121698 (UPC-A) |
| Shipping | Free Shipping |
| Package Dimensions (L×W×H) | 52" × 13" × 21" |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
